12393091 has 2 divisors, whose sum is σ = 12393092. Its totient is φ = 12393090.

The previous prime is 12393083. The next prime is 12393097. The reversal of 12393091 is 19039321.

12393091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12393091 - 2³ = 12393083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12393097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6196545 + 6196546.

It is an arithmetic number, because the mean of its divisors is an integer number (6196546).

Almost surely, 2^12393091 is an apocalyptic number.

12393091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12393091 is an equidigital number, since it uses as much as digits as its factorization.

12393091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 12393091 is about 3520.3822235661. The cubic root of 12393091 is about 231.4159095743.

The spelling of 12393091 in words is "twelve million, three hundred ninety-three thousand, ninety-one".